Electronic Device Including Display and Method for Measuring Movement Distance of Display

5. The electronic device of claim 1, wherein the processor is further configured to change a screen displayed on the display by displaying contents on an extended area of the display based on at least the movement information.

8. The electronic device of claim 6, wherein the rotating unit further includes a rotation detection sensor configured to sense rotation of the rotating unit.

11. The electronic device of claim 6, wherein the movement information includes a number of revolutions of the rotating unit and/or an angle of rotation of the rotating unit.

12. The electronic device of claim 6, wherein the processor is configured to calculate an externally visible portion of the first area and/or the second area of the display, based on at least the movement information.